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fix: blobs ignoring updates if moving too slow

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This commit is contained in:
2 * r + 2 * t 2026-04-07 18:39:48 +10:00
parent d778734c67
commit 77ab4b8350
2 changed files with 9 additions and 4 deletions
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11
plugin/src/Caelestia/Blobs/blobshape.cpp
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@ -69,14 +69,17 @@ void BlobShape::geometryChange(const QRectF& newGeometry, const QRectF& oldGeome
QQuickItem::geometryChange(newGeometry, oldGeometry); QQuickItem::geometryChange(newGeometry, oldGeometry);
updateCenteredDeformMatrix(); updateCenteredDeformMatrix();
if (m_group) { if (m_group) {
// Only trigger redraw if the change is visually meaningful // Accumulate sub-pixel drift so slow movements don't desync the shader
const auto dx = std::abs(newGeometry.x() - oldGeometry.x()); m_pendingDx += static_cast<float>(newGeometry.x() - oldGeometry.x());
const auto dy = std::abs(newGeometry.y() - oldGeometry.y()); m_pendingDy += static_cast<float>(newGeometry.y() - oldGeometry.y());
const auto dw = std::abs(newGeometry.width() - oldGeometry.width()); const auto dw = std::abs(newGeometry.width() - oldGeometry.width());
const auto dh = std::abs(newGeometry.height() - oldGeometry.height()); const auto dh = std::abs(newGeometry.height() - oldGeometry.height());
if (dx > 0.5 || dy > 0.5 || dw > 0.5 || dh > 0.5) if (std::abs(m_pendingDx) > 0.5f || std::abs(m_pendingDy) > 0.5f || dw > 0.5 || dh > 0.5) {
m_pendingDx = 0;
m_pendingDy = 0;
m_group->markShapeDirty(this); m_group->markShapeDirty(this);
} }
}
} }
void BlobShape::updateCenteredDeformMatrix() { void BlobShape::updateCenteredDeformMatrix() {

2
plugin/src/Caelestia/Blobs/blobshape.hpp
View file

@ -70,6 +70,8 @@ protected:
QRectF m_localPaddedRect; QRectF m_localPaddedRect;
QVector<BlobRectData> m_cachedRects; QVector<BlobRectData> m_cachedRects;
int m_cachedMyIndex = -2; int m_cachedMyIndex = -2;
float m_pendingDx = 0;
float m_pendingDy = 0;
bool m_cachedHasInverted = false; bool m_cachedHasInverted = false;
float m_cachedInvertedRadius = 0; float m_cachedInvertedRadius = 0;
float m_cachedInvertedOuter[4] = {}; float m_cachedInvertedOuter[4] = {};